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利用泰安市逐日最高气温和最低气温实况资料与T639、MM5、天气在线、EC(欧洲中心)的数值预报产品进行比较,全年最高气温预报准确率除1月小于50%外,其他月份均大于50%;最高的是7月,为72.3%;最低气温预报准确率大于50%的仅有6—8月3个月,最高的也是7月,为62.6%;最低的是10月,为34.2%。T639预报准确率整体较高,最高及最低气温预报准确率均大于50%,依次为天气在线、EC,MM5最差。
Using the daily maximum temperature and minimum temperature in Tai’an City as compared with the numerical prediction products of T639, MM5, weather online and EC (European Center), the accuracy of annual maximum air temperature forecast was greater than that of January except less than 50% 50%; the highest is 72.3% in July; the forecast accuracy of the minimum temperature is more than 50% in only 6-8 months, the highest is July, at 62.6%; the lowest is October, at 34.2 %. The overall accuracy of T639 forecast is higher, and the accuracy of forecasting the highest and lowest temperatures is more than 50%, followed by the weather online, and EC and MM5 are the worst.